TY - RPRT TI - Morphological metamorphosis in relapsing lymphoblastic leukemia. AU - J S Lilleyman AU - J A Britton AU - B J Laycock PY - 1981 DO - 10.1136/jcp.34.1.60 UR - https://pubmed.ncbi.nlm.nih.gov/6936404/ ID - 6936404 ER -